US Bridges

East/South Ramp over South Frontage Rd.

Fair

Maricopa County, Arizona · SW Corner 2nd Level of Ti · Structure no. 02166

Built
1997
28 years old
Condition
Fair
inspected June 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
684 ft
4 main spans
Daily traffic
13,457
2020 count
Owner
State
State Highway Agency

About this bridge

East/South Ramp over South Frontage Rd. is a prestressed concrete continuous box beam or girders - single or spread carrying East/South Ramp over South Frontage Rd. in Maricopa County, Arizona. It was built in 1997, so it is 28 years old, younger than the Arizona average of 47.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 13,457 vehicles a day, roughly 7% of them trucks, projected to reach 13,467 by 2040. The structure is 684 ft (208.5 m) long and 31 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesEast/South Ramp
CrossesSouth Frontage Rd.
LocationSW Corner 2nd Level of Ti
RouteInterstate 17
CountyMaricopa County
StateArizona
Coordinates33.6682, -112.1169
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment6: Equal to present minimum criteria
Operating rating99 US tons
Inventory rating61 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length684 ft (208.5 m)
Longest span180 ft (54.9 m)
Deck width31 ft (9.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,457 (2020)
Projected traffic13,467 by 2040
Trucks7%
Lanes on structure2
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$2,000 (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was East/South Ramp over South Frontage Rd. built?

It was built in 1997, making it 28 years old in 2025.

What condition is East/South Ramp over South Frontage Rd. in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in June 2024.

How much traffic does East/South Ramp over South Frontage Rd. carry?

About 13,457 vehicles per day (2020 count), of which roughly 7% are trucks.

How long is East/South Ramp over South Frontage Rd.?

The structure is 684 ft (208.5 m) long with a longest span of 180 ft (54.9 m) and a deck 31 ft wide.

Who owns East/South Ramp over South Frontage Rd.?

It is owned by the State Highway Agency.